linux-kernel - Re: [RFC v2 PATCH] mm/percpu.c: simplify grouping CPU algorithm

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Date:   Fri, 14 Oct 2016 09:17:48 +0800
From:   zijun_hu <zijun_hu@...o.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     zijun_hu@....com, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org, cl@...ux.com
Subject: Re: [RFC v2 PATCH] mm/percpu.c: simplify grouping CPU algorithm

On 2016/10/14 8:33, Tejun Heo wrote:
> Hello,
> 
> On Fri, Oct 14, 2016 at 07:49:44AM +0800, zijun_hu wrote:
>> the main intent of this change is making the CPU grouping algorithm more
>> easily to understand, especially, for newcomer for memory managements
>> take me as a example, i really take me a longer timer to understand it
> 
> If the new code is easier to understand, it's only so marginally.  It
> just isn't worth the effort or risk.
> 
> Thanks.
> 
okay i agree with your opinion.
but i am sure this changes don't have any risk after tests and theoretic analyse